Dual USB AC adapter



FIG. 1 is a front perspective view of a dual USB AC adapter showing my new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a front elevation view thereof;

FIG. 6 is a left elevation view thereof;

FIG. 7 is a right elevation view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines shown represent unclaimed subject matter and form no part of the claimed design. 

The ornamental design for a dual USB AC adapter, as shown and described. 